
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.text.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.nio.file.*;

/**
 * @Author: 贺坤
 * @Date: 2021/5/20 8:44
 * 格子绘图演示
 */
final class JavaGui  {

    public static void main(String... args) {
        SwingUtilities.invokeLater(Ui::new);
    }

}